Laterite Leach Tests

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ANSTO Minerals Report C1206 to Lagoon Creek Resources – Westmoreland Deposits Run LC5 A High Acid Lagoon Creek Uranium Project Oxidant: 10% Sodium Permanganate ICP/OES Request No: 1002460 pH 1.3 Solids: 1000 g Garee (Redtree) Composite Leach Duration: 24 h ICP/MS Request No: 1002460 Leach Liquor Matrix: 825 g Sydney Tap Water Temperature: 40ºC XRF Request No: 1002483 Slurry: 55% ORP: 500 mV DNA Request No: 1002483 Fe Addition: none pH: 1.3 Date: 10/08/10 Sample ID Uranium Leach Conditions ppm Ext'n Solution Assays (mg/L) U3O8 (%) Time Temp. pH ORP Acid Free Acidity Addition Acid Cons. Oxidant Addition DNA DNA Al As Ca Fe K Mg Mn Na (h) (°C) (mV) (kg/t) (g/L H 2SO 4) (kg/t) (kg/t) Head 1704 LC5 A1 2 40 1.33 499 11.3 7.9 5 0.86 394 76.9 308 176 244 1566 1146 93 84 307 159 74 4215 341 1085 7 LC5 A2 4 40 1.27 499 13.7 8.3 7 1.11 205 88.0 405 200 253 2045 1514 109 116 402 201 77 5334 440 1285 8 LC5 A3 8 40 1.31 500 15.6 6.9 10 1.41 86 94.9 534 201 246 2657 2000 125 152 481 232 82 5774 553 1325 9 LC5 A4 12 40 1.33 500 17.3 6.6 12 1.62 65 96.2 648 205 256 3164 2401 152 185 565 268 85 6867 634 1385 11 LC5 A5 24 40 1.27 471 20.4 6.7 15 1.62 31 98.2 846 208 254 3909 2344 201 232 557 263 84 7733 731 1379 12 24 h MS 1420 13 U Accountability 76.9% Comments: Element Concentration (wt.%) Sample ID Al As Ba Bi Ca Ce Cr Fe K Mg Mn Mo P Pb S Si Sr Th Ti U (ppm) U3O8 (ppm) V Y Zr Head 1.38 0.024 0.009
ANSTO Minerals Report C1206 to Lagoon Creek Resources – Westmoreland Deposits Run LC5 B Low Acid Lagoon Creek Uranium Project Oxidant: 10% Sodium Permanganate ICP/OES Request No: 1002460 pH 1.7 Solids: 1000 g Garee (Redtree) Composite Leach Duration: 24 h ICP/MS Request No: 1002460 Leach Liquor Matrix: 822 g Sydney Tap Water Temperature: 40ºC XRF Request No: 1002483 Slurry: 55% ORP: 500 mV DNA Request No: 1002483 Fe Addition: none pH: 1.7 Date: 10/08/10 Sample ID Uranium ppm Ext'n Solution Assays (mg/L) U3O8 (%) Time Temp. ORP Acid Free Acidity Addition Acid Cons. Oxidant Addition Fe Fe Mg 3+ Leach Conditions pH DNA DNA Al As Ca K Mn Na P (h) (°C) (mV) (kg/t) (g/L H 2SO 4) (kg/t) (kg/t) Head 1704 LC5 B1 2 40 1.74 500 6.0 4.0 3 0.69 511 70.0 213 125 169 944 693 90 65 275 142 25 2337 239 1080 5 LC5 B2 4 40 1.67 500 6.3 3.7 3 0.88 300 82.4 264 154 174 1286 977 101 76 348 172 34 2973 303 1290 7 LC5 B3 8 40 1.73 500 7.6 2.4 6 1.09 160 90.6 314 155 171 1530 1192 112 87 413 197 35 3221 357 1365 7 LC5 B4 12 40 1.82 500 9.3 2.2 7 1.22 113 93.4 381 165 182 1882 1505 125 105 482 226 39 3564 398 1456 8 LC5 B5 24 40 1.65 459 11.4 2.3 9 1.22 73 95.7 572 192 190 2819 1573 151 160 491 226 45 4687 540 1515 10 24 h MS 1549 9 U Accountability 85.0% Comments: Element Concentration (wt.%) Sample ID Al As Ba Bi Ca Ce Cr Fe K Mg Mn Mo P Pb S Si Sr Th Ti U (ppm) U3O8 (ppm) V Y Zr Head 1.38 0.024 0.009
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AUSTRALIAN NUCLEAR SCIENCE AND TECH
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Thickening and Vacuum Filtration Ev
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Thickener Test Summary for Laramide
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Thickener Test Summary for Laramide
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